/*
 * Spinner.h
 *
 * Copyright (C) 2012 Simon Lehmann
 *
 * This file is part of Actracktive.
 *
 * Actracktive is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Actracktive is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GLUITSPINNER_H_
#define GLUITSPINNER_H_

#include "gluit/Component.h"
#include "gluit/Panel.h"
#include "gluit/Button.h"
#include "gluit/Label.h"
#include "gluit/Event.h"

namespace gluit
{

	class Spinner: public Component
	{
	public:
		typedef boost::shared_ptr<Spinner> Ptr;

		static const double AUTO_STEP;

		ChangeEvent<double>::Signal onValueChange;

		Spinner();

		virtual void setMinimum(double min);
		virtual double getMinimum() const;

		virtual void setMaximum(double max);
		virtual double getMaximum() const;

		virtual void setStepSize(double step);
		virtual double getStepSize() const;

		virtual void setValue(double value);
		virtual double getValue() const;

		virtual void setDisplayPrecision(unsigned int precision);
		virtual unsigned int getDisplayPrecision() const;

	protected:
		virtual void initialize();

	private:
		void updateLabel();
		void incrementValue();
		void decrementValue();
		double getStep() const;

		double value;
		double min;
		double max;
		double step;

		unsigned int displayPrecision;

		Label::Ptr label;
		Button::Ptr up;
		Button::Ptr down;

	};

}

#endif
